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Standard Rotation Complete Outdrives 1973-1990

Free Shipping on Complete Outdrives in 48 Contiguous United States. LIMITED TIME OFFER!

New, Not Rebuilt! Sterndrive Engineering manufactures and markets new replacement drives with a 3-year Fault Free Manufacturer's Warranty. Ships in 2 boxes. Does not include Complete Install Kit or Anode Kit, which can be ordered separately.

To check for the proper gear ratio for your sterndrive, please reference table below:

Boat Engine Size Sterndrive Gear Ratio
350 cubic inch, 5.7 liter, 350 MAG, 5.0 EFI engines 1.47 ratio, 1.50 ratio
Carbureted 305 cubic inch, 5.0 liter carb, 4.3 liter EFI
and Inline 6 engines
1.62 ratio, 1.65 ratio
4.3 liter V-6 engines with carb 1.81 ratio, 1.84 ratio
3.7 liter and 470, 485 and 488 4-cylinder engines 1.81 ratio, 1.84 ratio
120, 140, 3.0 liter engines 1.94 ratio, 1.98 ratio

Please note that Mercruiser changed their gear ratios somewhat in the mid-1980s (for example a V-8 gear ratio used to be 1.50, but Mercruiser now uses 1.47 ratio.)

Select the outdrive gear ratio based on your engine size.

 
1.47 or 1.50 Ratio, Replaces Alpha One Gen 1 (1973-1990 model years)

350 cubic inch, 5.7 liter, 350 MAG, 5.0 EFI engines. Comes with a 9-9/16 new style input yoke
147Complete
Our Price: $1,295.00

1.62 or 1.65 Ratio, Replaces Alpha One Gen 1 (1973-1990 model years)

Carbureted 305 cubic inch, 5.0 liter carb, 4.3 liter EFI, and Inline 6 engines. Comes with a 9-9/16 new style input yoke.
162Complete
Our Price: $1,295.00

1.62 or 1.65 Ratio Short Shaft, Replaces Alpha One Gen 1 (1973-1990 model years)

162oldstylecomplete
Carbureted 305 cubic inch, 5.0 liter carb, 4.3 liter EFI and Inline 6 engines. Comes with a 8-1/8 input yoke.
Our Price: $1,295.00

1.81 or 1.84 Ratio, Replaces Alpha One Gen 1 (1973-1990 model years)

4.3 liter V-6 engines with carb, 3.7 liter engines, and 470, 485, & 488 4-cylinder engines. Comes with a 9-9/16 new style input yoke.
181complete
Our Price: $1,295.00

1.81 or 1.84 Ratio Short Staft, Replaces Alpha One Gen 1 (1973-1990 model years)

181oldstylecomplete
4.3 liter V-6 engines with carb, 3.7 liter engines, and 470, 485, & 488 4-cylinder engines. Comes with a 8-1/8 input yoke.
Our Price: $1,295.00

1.94 or 1.98 Ratio, Replaces Alpha One Gen 1 (1973-1990 model years)

120, 140, 3.0 liter Engines. Comes with a 9-9/16 new style input yoke
194complete
Our Price: $1,295.00

1.94 or 1.98 Ratio Short Shaft, Replaces Alpha One Gen 1 (1973-1990 model years)

120, 140, 3.0 liter engines. Comes with a 8-1/8 input yoke.
194oldstylecomplete
Our Price: $1,295.00




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Shipping prices shown on www.GetBoatGear.com are for shipping within the 48 Continental United States.  For international shipping quotes please contact us at shipping@getboatgear.com.

Footer Phone Receiver ImageCall us toll-free at 866-969-0441 to place an order or for assistance at any time. Footer Phone ImageGetBoatGear.com is an authorized dealer for Sterndrive Engineering Marine products. Boating items we currently offer include complete, lower, and upper unit outdrives, outdrive install kits, transom repair parts, shift cables, anode kits, trim cylinders, trim cylinder hoses, and boat propellers. We welcome the opportunity to help find the parts and items you need for your boat.